Nov 4, 2012 10:00pm PST
were to be re-elected -- it's possible but not likely. >> reporter: mitt romney also traveled to iowa and pennsylvania where he's cut into the president's lead. the election is so close the president even joined president bill clinton in new hampshire, which holds just 4 of the 270 electoral votes needed to win. both the romney and obama campaigns are predicting a victory on tuesday, but the polls show a very tight race with no clear favorite. polsters say if anyone has an edge it's the president because he needs fewer swing states to win the white house. >> i think the electoral college is easier for the president to get to 270. it's not impossible for romney. >> reporter: there are a few undecided voters left and the candidates flow the race could come down to who does the best job getting their supporters to the polls. >> ultimately it's up to yo >> reporter: both candidates will continue their break neck pace on monday criss-crossing the country during the final hours of the campaign. danielle nottingham cbs news the white house. >> stay with c b s5 for continuing coverage.